Mend > Home Heating Systems

have hot water but no c. heating on potterton netaheat mark II?

hot water works fine. When i switch c. heating on. Light on switch box comes on, but boiler does not fire up. Any ideas please.

leon
September 2007

Potterton Heating, Home Heating Systems Hot Water Switch

I have this exact same problem with the same boiler. I've tried changing the valve to manual and it started clicking and pushed the lever back to auto, it would not stay on manual. Any ideas or further checks I can make?

Many thanks

Chris

Chris
January 2009

check the moterised valve in airing cupboard. Put on CH turn up room thermostat then gently push the metal lever o the motersied valve to manual. If this works you need to replace motor

hot in cov
September 2007

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have hot water but no c. heating on potterton netaheat mark II?

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